J. Agbugui, E. Obarisiagbon, C. Nwajei, E. Osaigbovo, J. Okolo, and A. Akinyele, “Awareness and knowledge of prostate cancer among men in Benin City, Nigeria”, J. Med. Biomed. Res., vol. 12, no. 2, pp. 42–47, Jun. 2014.